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Websocket Connection Failure


Question

Hi!

I'm having trouble getting Teams HDX Optimization to work.
It seems to fail at the very first step connecting to the WebSocketService.

 

I have done extensive troubleshooting but I cant figure this one out.

I have approx. the same environment in lab where it works.

 

From Teams Log(See attached for more details):

Shim Events 
Wed Jun 08 2022 09:46:07 GMT+0200 (Central European Summer Time): {"event":"vdiClientDisconnected","reason":"endpointDisconnected"}
Wed Jun 08 2022 09:46:07 GMT+0200 (Central European Summer Time): {"event":"vdiClientDisconnected","reason":"failure","msg":"Websocket Connection Failure"}

 

What I have tested:

  • Removed almost all GPOs (Only FAS, WEM, FSLogix and RDSLicensing is left)
  • Upgraded and reinstalled Teams
  • Upgraded and reinstalled VDA
  • Test-NetConnection 127.0.0.1 -port 9002 (Success)
  • Deleted userprofile
  • Gone through permissions
  • Checked the services
  • Compared with LAB
  • ++

 

Procmon:

image.thumb.png.9b1464b4a24db009f6daad2514d39827.png

 

 

Env. Details:
VDA Version 2203

CWA Version 2205

Teams Version 1.5.00.11865 (64-bit)

Windows Server 2022 21H2 (OS Build 20348.740)

FSLogix 2.9.7838.44263

No Antivirus

No Proxy

 

 

Any Ideas or suggestion on how to move forward are greatly appreciated!

MSTeams Diagnostics Log 6_8_2022__9_47_24_AM_vdi_partner.txt

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